Experimental study of static and fatigue strengths of pultruded GFRP rods bonded into LVL and glulam

被引：44
|
作者：
Madhoushi, M
Ansell, MP [1 ]
机构：
[1] Univ Bath, Dept Engn & Appl Sci, Bath BA2 7AY, Avon, England
[2] Gorgan Univ Agr Sci & Nat Resources, Dept Wood & Paper Engn, Gorgan, Golestan, Iran
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2004年 / 24卷 / 04期
关键词：
GFRP rod; epoxy; wood; fatigue;
D O I：
10.1016/j.ijadhadh.2003.07.004
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Glass fibre-reinforced plastic (GFRP) pultruded rods were bonded into LVL and glulam cubes with room temperature cured epoxy resin in two glue-line thicknesses (2 and 4 mm). The strength properties were investigated under static and tension-tension (R = + 0.1) fatigue loading. Also, the effect of rate of loading was assessed in a rate of force application range from 0.01 to 35 kN/s in three glue-lines thicknesses (0.5, 2 and 4 mm). The results demonstrate that the fatigue life increases as the peak dynamic load is reduced as expected. Better static strength is measured for 4 mm glue-lines than for 0.5 and 2 mm glue-lines at lower rates of loading, but a reduction in strength at higher rates is observed for 4 and 2 mm glue-lines. Glue-line thickness and rate of loading dictate the mode of failure observed including failure in timber, failure at the resin-rod interface and a mixed failure mode. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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